In this article, we learn on how to use Project Operator in Kusto Query Language (KQL) , Just follow and ready clearly.
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What is Kusto Query Language (KQL)
Kusto is a query language designed for big data workloads particularly using large amount of data in from things like logs and event sources. Kusto query is a read-only request to process data and return results. KQL is the first party query language for Kusto cluster used by Azure Data Explorer. Kusto Query is only good for pulling or getting data from the data bank. for more article about Kusto. Please refer this link.
Kusto?
Kusto is a query language designed for big data workloads particularly using large amount of data in from things like logs and event sources. Kusto query is a read-only request to process data and return results. KQL is the first party query language for Kusto cluster used by Azure Data Explorer. Kusto Query is only good for pulling or getting data from the data bank.
Project Operator?
Select the columns to include, rename or drop, and insert new computed columns.
The order of the columns in the result is specified by the order of the arguments. Only the columns specified in the arguments are included in the result. Any other columns in the input are dropped.
Sample
T | project cost=price*quantity, price
Syntax
T | project ColumnName [= Expression] [, …]
or
T | project [ColumnName | (ColumnName[,]) =] Expression [, …]
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